47444979 has 8 divisors (see below), whose sum is σ = 63371920. Its totient is φ = 31574016.

The previous prime is 47444939. The next prime is 47445019. The reversal of 47444979 is 97944474.

It is an interprime number because it is at equal distance from previous prime (47444939) and next prime (47445019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47444979 - 2⁸ = 47444723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47444939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11974 + ... + 15435.

It is an arithmetic number, because the mean of its divisors is an integer number (7921490).

Almost surely, 2^47444979 is an apocalyptic number.

47444979 is a deficient number, since it is larger than the sum of its proper divisors (15926941).

47444979 is a wasteful number, since it uses less digits than its factorization.

47444979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27989.

The product of its digits is 1016064, while the sum is 48.

The square root of 47444979 is about 6888.0315765827. The cubic root of 47444979 is about 362.0179345632.

The spelling of 47444979 in words is "forty-seven million, four hundred forty-four thousand, nine hundred seventy-nine".